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If a and d are the first term and common...

If a and d are the first term and common difference of an A.P. then the `8^(th)` term is …..

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The correct Answer is:
`t_(8) = a + 7d`
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PREMIERS PUBLISHERS-NUMBERS AND SEQUENCES-PROGRESS CHECK
  1. Say True or False All functions are sequences.

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  2. The difference between any two consecutive terms of an A.P. is ….

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  3. If a and d are the first term and common difference of an A.P. then th...

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  4. If t(n)" is the " n^(th) term of an A.P., then t(2n) - t(n) is …..

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  5. The common difference of a constant A.P. is ……

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  6. If a and l are first and last terms of an A.P. then the number of term...

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  7. If every term of an A.P. is multiplied by 3, then the common differenc...

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  8. Three numbers a, b and c will be in A.P. if and only if .

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  9. The sum of terms of a sequence is called ……

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  10. A series have finite number of terms then it is called ……

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  11. A series whose terms are in …… is called Arithmetic series.

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  12. If the first and last terms of an A.P. are given, then the formula to ...

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  13. A G.P. is obtained by multiplying ……… to the preceding term.

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  14. The ratio between any two consecutive terms of the G.P. is …… and it i...

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  15. Fill in the blanks, if the term are in G.P. (1)/(8), (3)/(4), (9)/(2),...

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  16. Fill in the blanks if the following are in G.P. 7, 7/2,……

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  17. Fill in the blanks if the following are in G.P. ……., 2sqrt2, 4, …….

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  18. If first term = a, common ratio = r, then find the value of t(9)" and ...

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  19. If G.P if t(1)=(1)/(5) and t(2)=(1)/(25) then the common ratio is .

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  20. Three Non-zero numbers a, b and c will be in G.P. If and only if .

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